package net.minecraft.entity.passive;

import net.minecraft.block.material.Material;
import net.minecraft.entity.SharedMonsterAttributes;
import net.minecraft.entity.ai.EntityAIBase;
import net.minecraft.init.Items;
import net.minecraft.item.EnumDyeColor;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.MathHelper;
import net.minecraft.world.World;

public class EntitySquid extends EntityWaterMob {
	public float squidPitch;
	public float prevSquidPitch;
	public float squidYaw;
	public float prevSquidYaw;

	/**
	 * appears to be rotation in radians; we already have pitch & yaw, so this
	 * completes the triumvirate.
	 */
	public float squidRotation;

	/** previous squidRotation in radians */
	public float prevSquidRotation;

	/** angle of the tentacles in radians */
	public float tentacleAngle;

	/** the last calculated angle of the tentacles in radians */
	public float lastTentacleAngle;
	private float randomMotionSpeed;

	/** change in squidRotation in radians. */
	private float rotationVelocity;
	private float field_70871_bB;
	private float randomMotionVecX;
	private float randomMotionVecY;
	private float randomMotionVecZ;

	public EntitySquid(World worldIn) {
		super(worldIn);
		this.setSize(0.95F, 0.95F);
		this.rand.setSeed((long) (1 + this.getEntityId()));
		this.rotationVelocity = 1.0F / (this.rand.nextFloat() + 1.0F) * 0.2F;
		this.tasks.addTask(0, new EntitySquid.AIMoveRandom(this));
	}

	protected void applyEntityAttributes() {
		super.applyEntityAttributes();
		this.getEntityAttribute(SharedMonsterAttributes.maxHealth).setBaseValue(10.0D);
	}

	public float getEyeHeight() {
		return this.height * 0.5F;
	}

	/**
	 * Returns the sound this mob makes while it's alive.
	 */
	protected String getLivingSound() {
		return null;
	}

	/**
	 * Returns the sound this mob makes when it is hurt.
	 */
	protected String getHurtSound() {
		return null;
	}

	/**
	 * Returns the sound this mob makes on death.
	 */
	protected String getDeathSound() {
		return null;
	}

	/**
	 * Returns the volume for the sounds this mob makes.
	 */
	protected float getSoundVolume() {
		return 0.4F;
	}

	protected Item getDropItem() {
		return null;
	}

	/**
	 * returns if this entity triggers Block.onEntityWalking on the blocks they walk
	 * on. used for spiders and wolves to prevent them from trampling crops
	 */
	protected boolean canTriggerWalking() {
		return false;
	}

	/**
	 * Drop 0-2 items of this living's type
	 */
	protected void dropFewItems(boolean p_70628_1_, int p_70628_2_) {
		int i = this.rand.nextInt(3 + p_70628_2_) + 1;

		for (int j = 0; j < i; ++j) {
			this.entityDropItem(new ItemStack(Items.dye, 1, EnumDyeColor.BLACK.getDyeDamage()), 0.0F);
		}
	}

	/**
	 * Checks if this entity is inside water (if inWater field is true as a result
	 * of handleWaterMovement() returning true)
	 */
	public boolean isInWater() {
		return this.worldObj.handleMaterialAcceleration(
				this.getEntityBoundingBox().expand(0.0D, -0.6000000238418579D, 0.0D), Material.water, this);
	}

	/**
	 * Called frequently so the entity can update its state every tick as required.
	 * For example, zombies and skeletons use this to react to sunlight and start to
	 * burn.
	 */
	public void onLivingUpdate() {
		super.onLivingUpdate();
		this.prevSquidPitch = this.squidPitch;
		this.prevSquidYaw = this.squidYaw;
		this.prevSquidRotation = this.squidRotation;
		this.lastTentacleAngle = this.tentacleAngle;
		this.squidRotation += this.rotationVelocity;

		if ((double) this.squidRotation > (Math.PI * 2D)) {
			if (this.worldObj.isRemote) {
				this.squidRotation = ((float) Math.PI * 2F);
			} else {
				this.squidRotation = (float) ((double) this.squidRotation - (Math.PI * 2D));

				if (this.rand.nextInt(10) == 0) {
					this.rotationVelocity = 1.0F / (this.rand.nextFloat() + 1.0F) * 0.2F;
				}

				this.worldObj.setEntityState(this, (byte) 19);
			}
		}

		if (this.inWater) {
			if (this.squidRotation < (float) Math.PI) {
				float f = this.squidRotation / (float) Math.PI;
				this.tentacleAngle = MathHelper.sin(f * f * (float) Math.PI) * (float) Math.PI * 0.25F;

				if ((double) f > 0.75D) {
					this.randomMotionSpeed = 1.0F;
					this.field_70871_bB = 1.0F;
				} else {
					this.field_70871_bB *= 0.8F;
				}
			} else {
				this.tentacleAngle = 0.0F;
				this.randomMotionSpeed *= 0.9F;
				this.field_70871_bB *= 0.99F;
			}

			if (!this.worldObj.isRemote) {
				this.motionX = (double) (this.randomMotionVecX * this.randomMotionSpeed);
				this.motionY = (double) (this.randomMotionVecY * this.randomMotionSpeed);
				this.motionZ = (double) (this.randomMotionVecZ * this.randomMotionSpeed);
			}

			float f1 = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ);
			this.renderYawOffset += (-((float) MathHelper.func_181159_b(this.motionX, this.motionZ)) * 180.0F
					/ (float) Math.PI - this.renderYawOffset) * 0.1F;
			this.rotationYaw = this.renderYawOffset;
			this.squidYaw = (float) ((double) this.squidYaw + Math.PI * (double) this.field_70871_bB * 1.5D);
			this.squidPitch += (-((float) MathHelper.func_181159_b((double) f1, this.motionY)) * 180.0F
					/ (float) Math.PI - this.squidPitch) * 0.1F;
		} else {
			this.tentacleAngle = MathHelper.abs(MathHelper.sin(this.squidRotation)) * (float) Math.PI * 0.25F;

			if (!this.worldObj.isRemote) {
				this.motionX = 0.0D;
				this.motionY -= 0.08D;
				this.motionY *= 0.9800000190734863D;
				this.motionZ = 0.0D;
			}

			this.squidPitch = (float) ((double) this.squidPitch + (double) (-90.0F - this.squidPitch) * 0.02D);
		}
	}

	/**
	 * Moves the entity based on the specified heading. Args: strafe, forward
	 */
	public void moveEntityWithHeading(float strafe, float forward) {
		this.moveEntity(this.motionX, this.motionY, this.motionZ);
	}

	/**
	 * Checks if the entity's current position is a valid location to spawn this
	 * entity.
	 */
	public boolean getCanSpawnHere() {
		return this.posY > 45.0D && this.posY < (double) this.worldObj.func_181545_F() && super.getCanSpawnHere();
	}

	public void handleStatusUpdate(byte id) {
		if (id == 19) {
			this.squidRotation = 0.0F;
		} else {
			super.handleStatusUpdate(id);
		}
	}

	public void func_175568_b(float randomMotionVecXIn, float randomMotionVecYIn, float randomMotionVecZIn) {
		this.randomMotionVecX = randomMotionVecXIn;
		this.randomMotionVecY = randomMotionVecYIn;
		this.randomMotionVecZ = randomMotionVecZIn;
	}

	public boolean func_175567_n() {
		return this.randomMotionVecX != 0.0F || this.randomMotionVecY != 0.0F || this.randomMotionVecZ != 0.0F;
	}

	static class AIMoveRandom extends EntityAIBase {
		private EntitySquid squid;

		public AIMoveRandom(EntitySquid p_i45859_1_) {
			this.squid = p_i45859_1_;
		}

		public boolean shouldExecute() {
			return true;
		}

		public void updateTask() {
			int i = this.squid.getAge();

			if (i > 100) {
				this.squid.func_175568_b(0.0F, 0.0F, 0.0F);
			} else if (this.squid.getRNG().nextInt(50) == 0 || !this.squid.inWater || !this.squid.func_175567_n()) {
				float f = this.squid.getRNG().nextFloat() * (float) Math.PI * 2.0F;
				float f1 = MathHelper.cos(f) * 0.2F;
				float f2 = -0.1F + this.squid.getRNG().nextFloat() * 0.2F;
				float f3 = MathHelper.sin(f) * 0.2F;
				this.squid.func_175568_b(f1, f2, f3);
			}
		}
	}
}
